Ferdinand c



(No Model.)

I. C. GAMMONS.

RIB FOR COTTON ems.

Patented Dec. 8, 1885.

Fl s-| Q h w N. PETERS. Pholoulbogrlpber. Wahingtnn. DJ;

UNITED STATES PATENT FrrcE.

FERDINAND C. GAMMONS, OF BRIDGEWVATER, MASSACHUSETTS, ASSIGNOR TO THEEAGLE COTTON GIN COMPANY, OF SAME PLACE.

RIB FOR COTTON-GINS.

'BPECIFICATION forming part of Letters Patent No. 332,069, datedDecember 8, 1885. Application filed Srptcrnber 21, 1855. Serial No.177,738. (No mofcl.)

To all whom it may concern.-

Be it known that I, FERDINAND O. GAM- MoNs, a citizen of the UnitedStates, residing at Bridgewater, in the county of Plymouth and State ofMassachusetts, have invented certain new and useful Improvements in Ribsfor Ootton-Gins, of which the following is a full, clear, and exactspecification.

My invention relates to the ribs which form the breast of the EclipseHulling-Gin, an illustration of which may be seen in Letters Patent No.20,120, granted on the 27th of April, 1858, to \Vilson aid Payne.Usually each rib is provided with a flange, which projects therefrom midway between its edges,so as to be equidistant from the two adjacent sawson its 01)- posite sides. The objection to this form of rib is, that thedescent of cleaned seed from the hulling-chamber is obstructed by theseed cotton,which is constantly being carried from the hulling to theginning chamber by the saws. To overcome this objection it has beenproposed to join the flange to the edge instead of the center of therib, so that the space between each two adjacent saws, which is usuallydivided equally upon opposite sides of the flange, is merged into one.WVhile this facilitates the descent of the cleaned cottonseed, it isobjectionable, for the reason that by joining the flange to the edge ofthe rib it is brought into such close proximity to the saw as tomaterially interfere with the upward passage of the seed-cotton.

The object of my present invention is therefore to provide a rib whichshall be free from both of these objections, permitting the free upwardpassage of the seed-cotton and the free downward passage of the cleanedcotton-seed.

To this end my invention consists of a rib having a flange joinedthereto between the 4 center and the edge thereof, as will be more fullydescribed with reference to the accom panying drawings, in wl1ich FigureI is an elevation of the convex side of a rib of the improved form. Fig.II is a 4 transverse section thereof on the line II II, Fig. I.

(t represents the rib, and b is the flange which joins it, asrepresented, between the center and the edge, the space between the 5base of the flange and the edge of the rib being about one-eighth of aninch. This may, however,be slightly varied without departing from myinvention.

0 represents the lateral enlargement at the 5 lower or front extremityof the flange b, for freeing the seedcotton of any foreignsubstancc-such as seed-podsthat may cling to it.

Having thus described my invention, the 6 following is what I claim asnew therein and desire to secure by Letters Patent:

A rib for cotton-gins, having a flange joined thereto between the centerand edge thereof,

substantially as and for the purpose set forth. 6

FERDINAND O. GAMMONS.

